Lubricating head



p 19330 H. w. LORMOR ET AL 1,926,157 I STORAGE BATTERY UNIT I Filed Jan. '20, 1930 31 UGVZZ OWS uff-W p 1 193 1.. w. MACQMBER 1,926,158

LUBRICATING HEAD Filed Sept. 20, 1928 UNITED STATES PATENT OFFIECE LUBRICA'IING HEAD" Lynn W. Macomber, Battle Creek, Michi- Application September 20, 1928 Serial No. 307,267

11 Claims. (01. 184-7) This invention is a novel lubricating head for is a valve seat 1d adapted to be engaged by the use in lubricating bearings or moving parts of plunger valve hereinafter described. an automobile or other machine and particularly The upperend of the casing is preferably closed designed for use in such machines wherein a by a removable cap 16 which preferably has a 5 number of bearings are to be simultaneously oiled reduced externally threaded portion 1f adapted 60 from one'pressure supply or pressure gun. to engage internal threads in the upper end of the The object of the invention is to provide a lucasing I. Said cap may have an angular top bricating head with a regulating device whereby portion lg by whichi't can be forcibly screwed a predetermined amount of oil may be supplied onto or off of the casing. The cap is also proto the bearing or point to be lubricated and to vided with a threaded bore for the engagement 65 which the head is attached regardless of the of an adjusting rod '6 hereinafter referred to. amount of. pressure applied by the supply gun, Within the casing l is a plunger valve memor the length of time such pressure is applied. her which comprises a cylindric upper end por- Inmy invention each head is provided with adtion 2 neatly but slida'bly fitted in the casing justable means whereby the desired quantity of l; a reduced valve portion Za the lower end' of 7 oil forthe particular bearingor point towhich which is adapted when in. lowered position to the head is applied can be supplied, regardless seat upon the seat ld'and close the outlet 16 of of the amountor time of pressure from the supthe casing"; and a reduced guide finger 20 below p y Source. By my invention each bearing or oilvalve 2a adapted to loosely engage the bore 10 20 ing point can be supplied with exactly that in the lower end of the casing and assistin guid- 7 amount of oil which it requires at each operation ing t e valv e 'b The plunger Valve of the .gun or central supply device-Whereas with belt is provided With an a 13011? M i part the present used devices which are not provided 2 anda reduced axial bore 2e in part 2a, and with adjusting or regulating means, some bearat the ju ct 0f the bores 2d, 26 With Valve ings or points will be insufficiently supplied with seat 2f. p I

oil and others will be over supplied. Within the bore 2d is slidably fitted a bypass The accompanying drawing illustrates one valve 3 which can be seated uponthe seat 2 practical embodiment of the invention and I will Below the valve seat 2f is a lateral "opening explain the invention with reference to said 2g which when the valve 3' is unseated permits 30 drawing to enable others to readily understand oil to flow Irom the upper portion of the casing 5 and use the invention. In the claims I have sumabove part '2 of the valve member into the chammarized the essentials of the invention and novel her in the casing below said portion 2 of the features of construction and novel combinations said valve member. Valve 3 is normally closed of parts for which protection is desired. by member 6 as shown in Fig. 2; but the valve In said drawing: 3 is opened or unseated by the action of a spring Fig; 1 is aside viewof the complete head at- 4 housed within the bore 2e (except when the tached to a bearing. valve is heldclosed by abutment against member Fig. 2'is an enlarged vertical sectional view 6 or by the lubricant pressure) so that the oil of the head, showing the parts in positions ascan flow past valve 3 intothe chamber below 40 sumed when no pressure is exerted from the the portion 2 of the valve as shown in Fig. 4.

supply. The valve member is normally raised so as to Fig. 3 is a similar view showing the parts in unseat valve 26: and permit oil to flow from the positions assumed when oil is being supplied to casing by means of a helical expansion spring 5;

the head under pressure. I which is interposed between the part 2a; of the 45 Figs 4 is a similar view showing the parts revalve and the bottom of the casing. i

turning to normal position when the pressure The spring5 is more powerfulthan the sprin is released. .4, spring .4 being :suificientlypowerful to raise The device comprises a casing or barrel 1 valve. 3 from its seat, except when pressure is i which may be of any suitable construction; exerted by theggrease gun; or when-valve 3 50 shown as cylindric and provided at its lower end abuts againststop 6'; and the extent ofupward with a threaded nipple la and a rectangular 'pormovement of the plunger valve member and of I tion lb by which it can be easily turned by a the bypass valve 3 therein are regulable by means 7 wrench. Preferably the bottom of the casing is of an adjustable stop rod 6, which is tapped sealed or closed except for an axial bore 1c for through the top 1e -of the casing, and its inner 55 passage of oil; and at the inner endof this-bore end is adapted to engage the valve 3 as the 

